EP4050822A4 - Procédé de localisation d'anomalie d'horloge, et appareil de réseau - Google Patents
Procédé de localisation d'anomalie d'horloge, et appareil de réseau Download PDFInfo
- Publication number
- EP4050822A4 EP4050822A4 EP20892880.4A EP20892880A EP4050822A4 EP 4050822 A4 EP4050822 A4 EP 4050822A4 EP 20892880 A EP20892880 A EP 20892880A EP 4050822 A4 EP4050822 A4 EP 4050822A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- network apparatus
- clock fault
- locating
- locating clock
- fault
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0697—Synchronisation in a packet node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911206257 | 2019-11-29 | ||
CN202010023012.1A CN112887122B (zh) | 2019-11-29 | 2020-01-09 | 一种时钟故障定位方法和网络设备 |
PCT/CN2020/132816 WO2021104522A1 (fr) | 2019-11-29 | 2020-11-30 | Procédé de localisation d'anomalie d'horloge, et appareil de réseau |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4050822A1 EP4050822A1 (fr) | 2022-08-31 |
EP4050822A4 true EP4050822A4 (fr) | 2022-12-21 |
Family
ID=76042791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20892880.4A Pending EP4050822A4 (fr) | 2019-11-29 | 2020-11-30 | Procédé de localisation d'anomalie d'horloge, et appareil de réseau |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220286989A1 (fr) |
EP (1) | EP4050822A4 (fr) |
JP (1) | JP7503631B2 (fr) |
KR (1) | KR102684117B1 (fr) |
CN (2) | CN112887122B (fr) |
WO (1) | WO2021104522A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114020096B (zh) * | 2021-11-17 | 2023-09-15 | 成都天奥电子股份有限公司 | 一种时间同步抗干扰方法、装置、时频终端及存储介质 |
CN117112316B (zh) * | 2023-10-25 | 2024-02-09 | 苏州元脑智能科技有限公司 | 一种时钟电路的切换系统、方法、装置和介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2424291A1 (fr) * | 2009-04-24 | 2012-02-29 | Mitsubishi Electric Corporation | Station de base radio |
US20170187481A1 (en) * | 2015-12-28 | 2017-06-29 | Silicon Laboratories Inc. | Fail safe clock buffer and clock generator |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2989378B2 (ja) * | 1992-07-06 | 1999-12-13 | 富士通株式会社 | 移動体通信網の同期方式 |
SE9702176L (sv) * | 1997-06-06 | 1998-12-07 | Ericsson Telefon Ab L M | En maskinvarukonstruktion för majoritetsval, samt test och underhåll av majoritetsval |
JP3069983U (ja) | 1999-12-27 | 2000-07-04 | 株式会社アドバンテスト | 基準時刻・基準周波数発生装置 |
CN100488082C (zh) * | 2003-07-28 | 2009-05-13 | 华为技术有限公司 | 时钟源频率偏移检测方法 |
US7539200B2 (en) * | 2005-04-27 | 2009-05-26 | Agere Systems Inc. | Line-timing in packet-based networks |
US20100002679A1 (en) * | 2006-09-19 | 2010-01-07 | Nxp Bv | Method and system for synchronizing a local clock in a wireless device to a host clock in a wireless host |
JP5120097B2 (ja) * | 2008-06-20 | 2013-01-16 | 富士通株式会社 | 時間同期システムおよび時間同期装置 |
CN101931524A (zh) * | 2009-06-25 | 2010-12-29 | 中兴通讯股份有限公司 | 一种同步数字传输网的时钟源选择方法 |
JP5746004B2 (ja) * | 2011-11-18 | 2015-07-08 | 日本電信電話株式会社 | クロック供給方法およびクロック供給装置 |
US9106352B2 (en) * | 2012-02-27 | 2015-08-11 | Telefonaktiebolaget L M Ericsson (Publ) | Frequency distribution using precision time protocol |
CN102833026B (zh) * | 2012-08-31 | 2015-09-09 | 华为技术有限公司 | 一种时钟跟踪方法、系统和网元 |
US9160473B2 (en) * | 2013-03-13 | 2015-10-13 | Microsemi Frequency And Time Corporation | Asymmetry correction for precise clock synchronization over optical fiber |
EP2787665B1 (fr) * | 2013-04-05 | 2018-09-12 | Alcatel Lucent | Procédé de distribution d'une référence de fréquence à des horloges de réseau d'un réseau mobile ayant une distribution de synchronisation défectueuse |
US9184861B2 (en) * | 2013-10-01 | 2015-11-10 | Khalifa University of Science, Technology, and Research | Method and devices for synchronization |
CN104660359B (zh) * | 2013-11-21 | 2019-01-11 | 中兴通讯股份有限公司 | 一种时钟频偏检测的方法、装置和设备 |
CN108282243B (zh) * | 2017-12-28 | 2019-06-07 | 清华大学 | 一种适用于主从式时间同步方法的时钟源可靠性保障方法 |
-
2020
- 2020-01-09 CN CN202010023012.1A patent/CN112887122B/zh active Active
- 2020-01-09 CN CN202211097561.9A patent/CN116074871A/zh active Pending
- 2020-11-30 WO PCT/CN2020/132816 patent/WO2021104522A1/fr unknown
- 2020-11-30 EP EP20892880.4A patent/EP4050822A4/fr active Pending
- 2020-11-30 KR KR1020227019708A patent/KR102684117B1/ko active IP Right Grant
- 2020-11-30 JP JP2022531505A patent/JP7503631B2/ja active Active
-
2022
- 2022-05-27 US US17/827,189 patent/US20220286989A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2424291A1 (fr) * | 2009-04-24 | 2012-02-29 | Mitsubishi Electric Corporation | Station de base radio |
US20170187481A1 (en) * | 2015-12-28 | 2017-06-29 | Silicon Laboratories Inc. | Fail safe clock buffer and clock generator |
Also Published As
Publication number | Publication date |
---|---|
JP7503631B2 (ja) | 2024-06-20 |
CN112887122B (zh) | 2022-11-04 |
CN116074871A (zh) | 2023-05-05 |
EP4050822A1 (fr) | 2022-08-31 |
WO2021104522A1 (fr) | 2021-06-03 |
US20220286989A1 (en) | 2022-09-08 |
JP2023504101A (ja) | 2023-02-01 |
KR102684117B1 (ko) | 2024-07-10 |
CN112887122A (zh) | 2021-06-01 |
KR20220098782A (ko) | 2022-07-12 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20220526 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20221123 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04J 3/06 20060101AFI20221117BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |